# Info
Auger on SSR for frequent switching
Exhaust on SSR for inductive load
Igniter on Songlei

# SRD-40-DC
Solid state relays

### Overall
```
W(x) - 45.75 mm
L(y) - 63.00 mm
D(z) - 23.75 mm
```
### Holes
Location: Centered on `W(x)`

```
Top: 4.25 x 7.25 mm (diameter by length)
Bottom: 4.25 mm (diameter)
Inside E2E: 42.00 mm <---> 53.50 mm
Outside E2E: 4.30 mm <---> 4.30 mm
```

# Relay Mobules
Amazon prepackaged baddies.

### Overall
```
W(x) - 70.30 mm
L(y) - 16.90 mm
D(z) - 18.25 mm
```

### Holes
Location: Four outside corners of `W(x)`/`L(y)`

```
Diameter: 2.50 mm
Outside E2E: 0.60 mm
```

# Terminal Block
Home Depot special, temporary until PCB.

### Overall
```
W(x) - 34.00 mm
L(y) - 135.25 mm
D(z) - 16.00 mm
```

### Holes
Location: Four outside corners of `W(x)`/`L(y)`

```
Diameter: - 5.40 mm
Outside E2E L(y) - 3.10 mm
Outside E2C L(y) - 5.80 mm
Inside E2E W(x) - 7.45 mm
Inside C2C W(x) - 12.85 mm
```

45.08-8.45=36.63
```
Top of terminal: 135.25 mm
L of RM: 16.9 mm
1/2: 8.45
Middle of top RM: 101.4375 (109.8875)
Mid of mid RM: 67.625 (76.075)
Mid of bot RM: 33.8125 (42.2625)
```